/**
 * Copyright (C) 2011 Angelo Zerr <angelo.zerr@gmail.com> and Pascal Leclercq <pascal.leclercq@gmail.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.document.docx.preprocessor;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import fr.opensagres.xdocreport.document.docx.DocXConstants;

/**
 * SAX Handler which loads Relationship type of Hyperlink declared in the
 * "word/_rels/document.xml.rels" in the initial {@link InitialHyperlinkMap}.
 * 
 */
public class HyperlinkContentHandler extends DefaultHandler implements
		DocXConstants {

	private InitialHyperlinkMap hyperlinks;

	@Override
	public void startElement(String uri, String localName, String name,
			Attributes attributes) throws SAXException {
		if (RELATIONSHIP_ELT.equals(name)) {
			String type = attributes.getValue(RELATIONSHIP_TYPE_ATTR);
			if (RELATIONSHIPS_HYPERLINK_NS.equals(type)) {

				// <Relationship Id="rId1"
				// Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink"
				// Target="mailto:$mail"
				// TargetMode="External" />

				// Create Java model HyperlinkInfo of this XML declaration and
				// register it in the Map
				String id = attributes.getValue(RELATIONSHIP_ID_ATTR);
				String target = attributes.getValue(RELATIONSHIP_TARGET_ATTR);
				String targetMode = attributes
						.getValue(RELATIONSHIP_TARGET_MODE_ATTR);

				if (hyperlinks == null) {
					hyperlinks = new InitialHyperlinkMap();
				}
				hyperlinks.put(id, new HyperlinkInfo(id, target, targetMode));
			}
		}
	}

	/**
	 * Returns Map of initial Relationship type of Hyperlink declared in the
	 * "word/_rels/document.xml.rels" and null if there is no Hyperlink
	 * declared.
	 * 
	 * @return
	 */
	public InitialHyperlinkMap getHyperlinks() {
		return hyperlinks;
	}
}
